Escape arrays sent as binding values for database queries.
Escape the array elements separately and join them in compile_binds()
Update the change log and the documentation with the array values binding feature.
Update mimes.php

Updated a mines for file format ical. Although it is the same as ics the upload library should also recognize ical file format just the same.
Close #3280
Reword change log and add the resulting query in the manual.
[ci skip] Fix Travis build status badge

It broke with the repo transition.
[ci skip] Update 2 links to relate to bcit-ci/
Merge pull request #3282 from SirDre/patch-3

Update mimes.php
Merge branch 'develop' of github.com:bcit-ci/CodeIgniter into develop
[ci skip] Trim a newline character
Merge pull request #3277 from clawoo/develop

Escape arrays sent as binding values for database queries.
Fix #3283
Fix Sphinx compilation warnings
Merge pull request #3284 from vlakoff/documentation

Fix Sphinx compilation warnings
update some link.

New version of CodeIgniter website http://www.codeigniter.com/
Merge pull request #3287 from appleboy/patch-3

update some link.